The Seal,waveguide, cataloged under National Stock Number 5985-01-168-5980, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microwave Development Company Inc Dba Microwave Development Company Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-168-5980 |
| Primary Part Number | 67187-142 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Development Company Inc Dba Microwave Development Company Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Seal Thickness | 0.250 INCHES NOMINAL IN |
| Style Designator | FOR RECTANGULAR WAVEGUIDE AND FLANGE |
| Surface Treatment | NICKEL SINGLE SEAL ALL SURFACES |
| Material | COPPER ALLOY SINGLE SEAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 67187-142 | Microwave Development Company Inc Dba Microwave Development Company Inc (USA) |
| WPW187-.25A5-T/G | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA) |
| Reference | Meaning |
|---|---|
| MA-1484 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-168-5980 is a Seal,waveguide, manufactured by Microwave Development Company Inc Dba Microwave Development Company Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-168-5980 has 2 manufacturer part numbers on file: 67187-142 (Microwave Development Company Inc Dba Microwave Development Company Inc), WPW187-.25A5-T/G (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp).
Key specifications for 67187-142: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Seal Thickness: 0.250 INCHES NOMINAL IN; Style Designator: FOR RECTANGULAR WAVEGUIDE AND FLANGE; Special Features: FREQUENCY RANGE 3.9 TO 5.9 GIGAHERTZ. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-168-5980 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.